h44h, h44h-16, h44h-16c, h44h-25, h44h-25c, h44h旋启式止回阀, h44w, h44w-16p, h44w-25p, 启式止回阀, 式止回阀, 旋启式止回阀, 止回阀, 止回阀 h44, 止回阀 h44h| 2020-10-23| Post by: kN7yB0cW5t

旋启式止回阀 H44H

H44H止回阀，为各种设备配套使用 连接尺寸表 型号 公称压力 PN （MPa） 公称通径 DN （mm） 尺 […]

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h44h, h44h-16, h44h-16c, h44h-25, h44h-25c, h44h旋启式止回阀, h44w, h44w-16p, h44w-25p, 启式止回阀, 式止回阀, 旋启式止回阀, 止回阀, 止回阀 h44, 止回阀 h44h| 2020-09-14| Post by: KattieStrain

旋启式止回阀 H44H

H44H止回阀，为各种设备配套使用 连接尺寸表 型号 公称压力 PN （MPa） 公称通径 DN （mm） 尺 […]

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h44h, h44h-16, h44h-16c, j41, j41h, j41h 16, j41h 16c, j61y, q347f, q347f-16, q347f-16c, z41y, z41y-25, z45, z45x, z45x-16, z45x-16q, 蝶阀| 2020-08-26| Post by: PenniGinder14

10个常见具体阀门型号的材质

　　j61y阀门是什么材质 　　从j61y中只能看出密封面材质是硬质合金，即阀门代号中的y。

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h44h, h44h-16, h44h-16c, j41, j41h, j41h 16, j41h 16c, j61y, q347f, q347f-16, q347f-16c, z41y, z41y-25, z45, z45x, z45x-16, z45x-16q, 蝶阀| 2020-08-26| Post by: DanielXxfqgqo

10个常见具体阀门型号的材质

　　j61y阀门是什么材质 　　从j61y中只能看出密封面材质是硬质合金，即阀门代号中的y。

Read more